Rolling Returns

What Are Rolling Returns?

Rolling returns, also known as "rolling period returns" or "rolling time periods," are annualized average returns for a period, ending with the listed year. Rolling returns are useful for examining the behavior of returns for holding periods, similar to those actually experienced by investors.

Looking at a portfolio or fund’s rolling returns will give performance results that are smoothed over several periods throughout its history. Such information often paints a more accurate picture for an investor than a single snapshot of one period.

Understanding Rolling Returns

One goal of rolling returns is to highlight the frequency and magnitude of an investment's stronger and poorer periods of performance. Rolling returns can offer better insight into a fund's more comprehensive return history, not skewed by the most recent data (month or quarter-end). For example, the five-year rolling return for 1995 covers Jan. 1, 1991, through Dec. 31, 1995. The five-year rolling return for 1996 is the average annual return for 1992 through 1996. Some investment analysts will break down a multi-year period into a series of rolling twelve month periods.

By looking at rolling returns, investors are able to understand how a fund's returns stacked up at a more particular point in time. If an investment displays an 9% annualized return over a 10-year period, this shows that if you invested on Jan. 1 in Year 0, and sold your investment on Dec. 31 at the conclusion of Year 10, you earned the equivalent of 9% a year. Yet during those 10 years, returns could have varied drastically.

In Year 4, the investment could have moved up 35%, while in Year 8 it could have dropped 17%. Averaged out, you earned 9% per year (the “average annualized” return), yet this 9% might misrepresent the investment’s performance. Analyzing rolling returns instead could demonstrate annual performance not simply starting Jan. 1 and ending Dec. 31 but also beginning Feb. 1 and ending Jan. 31 of the next year; March 1 through Feb. 31 of the next year, and so on. A 10-year rolling return could highlight an investment’s best and worst decades in this form.

In the context of equity research and valuation, financial results for publicly traded companies are only released on a quarterly basis in securities filings in accordance with generally accepted accounting principles (GAAP). Less frequently, firms provide monthly statements with sales volumes or key performance indicators.

Key Takeaways

Rolling returns are annualized average returns for a period, ending with the listed year.

Rolling returns are useful for examining the behavior of returns for holding periods, similar to those actually experienced by investors.

These can also be used to smooth past performance to account for several periods instead of a single instance.

Trailing twelve months is one commonly used rolling return measure.

Trailing Twelve Months (TTM) Rolling Returns

A common rolling return period is trailing twelve months (TTM). Trailing 12 months is the term for the data from the past 12 consecutive months used for reporting financial figures. A company's trailing 12 months represent its financial performance for a 12-month period; it does not typically represent a fiscal-year ending period.

Using trailing 12-month (TTM) returns is an effective way to analyze the most recent financial data in an annualized format. Annualized data is important because it helps neutralize the effects of seasonality and dilutes the impact of non-recurring abnormalities in financial results, such as temporary changes in demand, expenses or cash flow. By using TTM, analysts can evaluate the most recent monthly or quarterly data rather than looking at older information that contains full fiscal or calendar year information. TTM charts are less useful for identifying short-term changes and more useful for forecasting.

Companies conducting internal corporate financial planning and analysis have access to detailed and very recent financial data. They use the TTM format to evaluate key performance indicators (KPI), revenue growth, margins, working capital management and other metrics that may vary seasonally or show temporary volatility. In the context of equity research and valuation, financial results for publicly traded companies are only released on a quarterly basis in securities filings in accordance with GAAP. Less frequently, firms provide monthly statements with sales volumes or key performance indicators. Securities and Exchange Commission (SEC) filings generally display financial results on a quarterly or year-to-date basis rather than TTM.

To get a clear picture of the last year of performance, analysts and investors often must calculate their own TTM figures from current and prior financial statements. Consider General Electric (GE)'s recent financial results. In Q1 2015, GE generated $29.4 billion in revenue versus $34.2 billion in Q1 2014. GE logged $148.6 billion of sales for the full year of 2014. By subtracting the Q1 2014 figure from the full-year 2014 figure and adding Q1 2015 revenues, you arrive at $143.8 billion in TTM revenue.

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Related Terms

Trailing 12 months (TTM) is the term for the data from the past 12 consecutive months used for reporting financial figures. A company's trailing 12 months represent its financial performance for a 12-month period.